Blue Coat Systems SGOS 4.x manual Contact Information

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Blue Coat SGOS 4.x Upgrade Guide

Contact Information

Blue Coat Systems Inc.

650 Almanor Avenue

Sunnyvale, California 94085

North America (USA) Toll Free: 1.866.362.2628 (866.36.BCOAT)

North America Direct (USA): 1.408.220.2270

Asia Pacific Rim (Japan): 81.3.5425.8492

Europe, Middle East, and Africa (United Kingdom): +44 (0) 1276 854 101

bcs.info@bluecoat.com

support@bluecoat.com

www.bluecoat.com

Copyright© 1999-2005 Blue Coat Systems, Inc. All rights reserved worldwide. No part of this document may be reproduced by any means nor modified, decompiled, disassembled, published or distributed, in whole or in part, or translated to any electronic medium or other means without the written consent of Blue Coat Systems, Inc.

The Software may not be modified, reproduced (except to the extent specifically allowed by local law), removed from the product on which it was installed, reverse engineered, decompiled, disassembled, or have its source code extracted. In addition to the above restrictions, the Software, or any part thereof, may not be (i) published, distributed, rented, leased, sold, sublicensed, assigned or otherwise transferred, (ii) used for competitive analysis or used to create derivative works thereof,(iii) used for application development, or translated (iv) used to publish or distribute the results of any benchmark tests run on the Software without the express written permission of Blue Coat Systems, Inc., or (v) removed or obscured of any Blue Coat Systems, Inc. or licensor copyrights, trademarks or other proprietary notices or legends from any portion of the Software or any associated documentation. All right, title and interest in and to the Software and documentation are and shall remain the exclusive property of Blue Coat Systems, Inc. and its licensors. Blue Coat Systems, Inc. specifications and documentation are subject to change without notice. Information contained in this document is believed to be accurate and reliable, however, Blue Coat Systems, Inc. assumes no responsibility for its use. ProxySG™, ProxyAV™, CacheOS™, SGOS™, Spyware Interceptor™, Scope™ are trademarks of Blue Coat Systems, Inc. and CacheFlow®, Blue Coat®, Accelerating The Internet®, WinProxy®, AccessNow®, Ositis®, Powering Internet Management®, and The Ultimate Internet Sharing Solution® are registered trademarks of Blue Coat Systems, Inc. All other trademarks contained in this document and in the Software are the property of their respective owners.

BLUE COAT SYSTEMS, INC. DISCLAIMS ALL WARRANTIES, CONDITIONS OR OTHER TERMS, EXPRESS OR IMPLIED, STATUTORY OR OTHERWISE, ON SOFTWARE AND DOCUMENTATION FURNISHED HEREUNDER INCLUDING WITHOUT LIMITATION THE WARRANTIES OF DESIGN, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL BLUE COAT SYSTEMS, INC., ITS SUPPLIERS OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES, WHETHER ARISING IN TORT, CONTRACT OR ANY OTHER LEGAL THEORY EVEN IF BLUE COAT SYSTEMS, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. The Software and all related technical information, documents and materials are subject to export controls under the U.S. Export Administration Regulations and the export regulations of other countries.

Document Number: 231-02781

Document Revision: SGOS 4.1—6/17/05

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Contents Blue Coat Systems ProxySG Contact Information Contents Blue Coat Sgos 4.x Upgrade Guide Related Blue Coat Documentation Changes Between Sgos 3.x and SgosAbout the Document Organization Chapter Title DescriptionDocument Conventions Conventions DefinitionUpgrade Behavior, General UpgradingSummary of Changes to the Upgrade Process Restoring to Previous VersionsRedoing an Upgrade from Sgos Redoing an Upgrade from Sgos 2.x or CacheOSType Component Description Changing Between Sgos 4.x VersionsLicensing SSL Hardware Supported Documentation ReferencesFeature-Specific Upgrade Behavior Access LoggingDocument References Global Enable/Disable SwitchNew CLI Commands Protocol LogCLI Compatibility Issues New Access Logging SubstitutionsUpgrade Behavior Peer-to-PeerBlue Coat Sgos 4.x Upgrade Guide New Substitutions Bandwidth Management AuthenticationAdministrator Actions Compression Downgrade BehaviorCommand Description Content FilteringCLI Commands CPU MonitoringIcap Patience Upgrade/Downgrade BehaviorEndpoint Mapper and Socks Compression CLI Changes and AdditionsPolicy Policy Deprecation Https//ProxySGIPport /policyimportlisting.htmlAbandoned Syntax Replacement Syntax CPLBlue Coat Sgos 4.x Upgrade Guide Abandoned Policy Conditions Abandoned CPL Current CPL Abandoned CPL Current CPL Abandoned CPL Current CPL Exception Pages UTF-8 Encoding Object NamingSSL Key Management Securing the Serial PortSmartFilter Version Documentation ReferenceDocumentation References Blue Coat Sgos 4.x Upgrade Guide Index VPM

SGOS 4.x specifications

Blue Coat Systems SGOS 4.x is a robust operating system designed for the Blue Coat ProxySG series of appliances, which serve as content filtering and web security solutions. The SGOS (Secure Gateway Operating System) is crafted to enhance network performance while providing extensive security and policy enforcement capabilities. This article delves into the numerous features, technologies, and characteristics that define SGOS 4.x, making it an essential tool for organizations looking to fortify their web traffic management and security.

One of the standout features of SGOS 4.x is its advanced web filtering capabilities. The system employs a comprehensive URL categorization database that allows organizations to enforce content policies effectively. By categorizing millions of web pages, SGOS enables users to block or allow access to specific sites based on their content category, ensuring a safe browsing experience for employees and preventing access to harmful or non-work-related content.

Another notable technological characteristic of SGOS 4.x is its accelerated SSL decryption. As encrypted traffic continues to dominate the web, it becomes increasingly important for organizations to inspect this traffic for potential threats. SGOS 4.x offers robust SSL decryption capabilities that allow organizations to analyze encrypted traffic while maintaining the confidentiality and integrity of the data being transmitted. This attribute not only strengthens security but also aids in compliance with regulatory requirements.

SGOS 4.x is also equipped with exceptional caching and content delivery features. By caching frequently accessed content, the system reduces load times and optimizes bandwidth usage. This caching mechanism is enhanced by predefined policies that dictate how content is stored and retrieved, significantly improving user experience while reducing operational costs.

Furthermore, SGOS 4.x supports advanced reporting and analytics features. The integrated reporting tools provide administrators with insights into web usage patterns, bandwidth consumption, and security incidents. These insights facilitate informed decision-making and allow organizations to refine their web usage policies based on actual user behavior and threat landscape analysis.

In terms of scalability, SGOS 4.x is engineered to support a wide range of deployment scenarios, from small businesses to large enterprises. The architecture is designed to efficiently handle varying volumes of traffic without compromising performance or security, making it a flexible solution for diverse organizational needs.

Overall, Blue Coat Systems SGOS 4.x presents a powerful platform for web security and traffic management. With its advanced filtering, SSL decryption, caching, and analytics capabilities, SGOS 4.x remains a vital solution for organizations aiming to enhance their security posture and improve operational efficiency in an increasingly complex web environment.